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2024-06-07

100+ Electrochemical Energy Storage Accidents: How Can We Ensure Safety in Energy Storage?

According to the EESA database, the global energy storage market witnessed a record-breaking growth in 2023, with newly installed capacity reaching 103.5 GWh, surpassing the historical cumulative capacity of 101 GWh. The rapid development of the energy storage sector is evident, particularly in the segment of commercial and industrial (C&I) energy storage. In the past two years, the C&I energy storage market has exhibited remarkable growth. In 2022, global C&I energy storage grew by only 14.58%, while in 2023, it experienced a year-on-year increase of 115%, reaching an capacity of 1.5 GW. The growth is primarily concentrated in regions such as China, the United States, and Europe (with Germany as a representative example).   Behind the booming market lies increasingly fierce competition. 2023 was hailed as the true inception of inaugural year for C&I energy storage, with not only major lithium battery manufacturers and leading players in residential ESS and photovoltaics entering the fray, but also many cross-industry players joining the battlefield with the backing of capital. Marked by issues such as product homogenization, overcapacity, and price wars permeating the entire industry. According to EESA statistics, in April 2024, a total of 30 companies launched 39 new C&I ESS models, indicating that the internal competition continues. The high degree of product homogenization also means that companies need to impress customers with better quality and cutting-edge technological innovations, low-quality products, no matter how cheap, will eventually be eliminated by the market.   On April 27, 2024, a battery storage container in the commercial district of Niermole (Rheyr district), Germany caught fire and partially exploded, resulting in injuries to two firefighters, and the police estimate the damages to be around 500.000 euros.Shortly after, a 250MW energy storage station in San Diego County, California, experienced a fire, which took the tireless efforts of 40 1ocal firefighters several days to extinguish. The recent spate of accidents has sparked renewed industry debate on energy storage safety. According to statistics from the 24 Trend Industry Research Institute, there have been at least 100 energy storage incidents globally since 2011. The 2024 white paper Insights from EPRI’s Battery Energy Storage Systems (BESS) Failure Incident Database (Hereinafter referred to as "Report") released by the Electric Power Research Institute (EPRI) on May 16 provides an in-depth analysis of the failure incident database of BESS. It concludes that 65% of energy storage station accidents are related to the integration of battery systems. This underscores the importance of energy storage integration technology as one of the core factors determining energy storage safety.   For instance, containerized battery energy storage systems have evolved rapidly from traditional walk-in designs to modular, plug-and-play and pre-integrated systems. These systems integrate components such as battery packs (PACK), intelligent power conversion systems (PCS), power distribution units (PDU), fire-fighting systems (FFS), temperature control systems (TCS), and intelligent monitoring systems (IMS), sourced from various suppliers. This diversity can lead to incompatible interfaces or unintended interactions between components.   The Report also indicates that 72% of failures occur during construction, commissioning, or within the first two years of operation. This brings to mind the BESS project incident at the Bouldercombe, Australia in September of last year, where the lack of timely integration of detection and protection systems during commissioning led to the accident. The report also provides a summary on how to reduce energy storage system incidents. Key measures include preventing incidents through improved quality assurance and battery monitoring. The detailed analysis is as follows: 1. Preventing Design Failures: The report suggests the need for relevant regulations and standards (e.g., UL, NFPA), site-specific hazard assessments to consider all risks and failures, and robust sensing and monitoring to provide early warnings of design failures. 2. Preventing Integration Failures: The report emphasizes the importance of employee training and quality checks during the commissioning and installation of energy storage systems, as well as system-level failure analysis, particularly for interfaces between components. 3. Manufacturing: The report highlights the need for improved manufacturing quality control, supplier quality verification, robust system specifications, and factory acceptance testing. 4. Operational Practices: The report advocates for enhanced battery monitoring and analysis to strengthen BMS operations, generate trends and predictive analyses to identify potential failures.   Since its inception, Vilion has focused on the C&I energy storage sector. Its core technical team has over 16 years of experience in
2024-05-29

EnerCube BESS Set out Again

On May 28, 2024, Vilion Shenzhen Intelligent Manufacturing Factory announced that the EnerCube containerized battery energy storage system has successfully completed rigorous Factory Acceptance Testing (FAT) and pre-shipment preparations and is set to be shipped to new customer again.  The EnerCube adopts a standard 20HQ container design, facilitating integrated transportation, installation, and maintenance. Each battery cluster forms a separate cabinet and is autonomously managed, allowing for flexible configuration of cabinet numbers based on project power & capacity requirements. The system also supports modular partitioned operation and maintenance, ensuring that the entire machine does not need to shut down, thereby significantly enhancing system safety, utilization rates, and economic benefits.  Upon arrival in project site, the EnerCube will be deployed for PV self-consumption and peak-load shifting. With the customer's own photovoltaic setup integrated with the energy storage system, surplus solar energy will be stored in the batteries to be utilized during nighttime or periods of insufficient solar generation, maximizing self-consumption of PV power. Additionally, the BESS will enable on-grid operation, allowing charging from the utility grid during off-peak electricity periods and discharging during peak hours, thereby achieving peak-to-valley price arbitrage and enhancing the economic viability of the BESS project. We look forward to EnerCube delivering a more innovative and efficient energy usage experience for our customers, contributing to the advancement and application of local renewable energy technologies.
2024-05-27

Energy Storage Knowledge Class | Integrated PV System + BESS + Charging

Preface Transportation is the lifeline of modern cities. According to EVTank data, global sales of new energy vehicles reached 14.65 million units in 2023, representing a year-on-year increase of 35.4%. Among them, China's sales of new energy vehicles reached 9.495 million units, accounting for 64.8% of global sales. The United States and Europe saw annual sales of new energy vehicles in 2023 at 2.948 million units and 1.468 million units respectively, with year-on-year growth rates of 18.3% and 48.0% respectively. Looking ahead, EVTank predicts that global sales of new energy vehicles will reach 18.3 million units in 2024 and 47 million units by 2030. The rapid growth in sales of new energy vehicles will inevitably lead to a surge in demand for charging stations, posing significant challenges to the power grid. At this juncture, the participating of energy storage systems will help achieve capacity expansion and balance supply and demand on the grid at low costs. Thanks to the urgent need for countries to develop low-carbon economies, and tax incentives and subsidies for the purchase of new energy vehicles, the demand and sales of new energy vehicles are expected to continue to grow rapidly in the future. The Integrated PV System + BESS + Charging presents enormous market opportunities in the energy storage industry. Q: What is Integrated PV System + BESS + Charging ? A: Integrated PV System + BESS + Charging, as the name suggests, is a green charging mode that coordinates photovoltaic systems, energy storage systems, and electric vehicle charging services to support each other. This solution is suitable for high-energy-consuming industries such as public office buildings, commercial centers, industrial parks, residential communities, and highways. By storing and optimizing energy, it achieves flexible capacity expansion and basic balance between local energy production and energy consumption load. The BESS can interact flexibly with the utility grid as needed and operate relatively independently, prioritizing the use of solar  energy to alleviate the impact of charging station electricity on the grid. In terms of energy consumption, directly using energy storage batteries to charge vehicle power batteries improves energy conversion efficiency. Integrated PV System + BESS + Charging Diagram Q: What is the role of energy storage in Integrated PV System + BESS + Charging ? A: The role of energy storage is multifaceted. Firstly, it helps to increase the utilization of photovoltaic energy by storing surplus electricity generated during the day for use at night. Secondly, the BESS is charged during off-peak electricity consumption periods and discharges during peak consumption periods, reducing the load difference between them, thereby achieving peak-load shifting. Consequently, this can reduce the impact on the grid. Lastly, during power outages period, the BESS can operate off-grid, serving as an emergency backup power. Vilion-Intelligent Charging Service Strategy Q: The benefits of Integrated PV System + BESS + Charging  include: A: 1. Directly capacity expansion: Reduce expansion investment and waiting time. 2. Maximize the utilization of photovoltaics by integrating them. 3. Reduce demand capacity costs. 4. Rapidly increase the number of charging piles. 5. Peak-valley arbitrage. 6. Off-grid backup power. Exciting New Product Launch Coming Soon! EnerCharge Integrated Outdoor Battery&Charging Cabinet – Stay tuned for more details!
2024-05-26

Expanding in the Nordic Market, Vilion Makes a Strong Debut at ENERGI MASSAN 2024 in Sweden

The ENERGI MASSAN 2024 kicked off on May 22, 2024, at the exhibition center in Kistamässan Convention Center, Sweden. This exhibition gathers professionals and representatives from the global renewable energy sector, making it one of the largest events in Sweden's renewable energy industry. At this exhibition, Vilion  brought the flagship C&I battery energy storage product model of “Ener” series and ViStarter EMS energy management system to discuss the latest C&I energy storage system solutions face to face with local customers , friends and peers. Vilion has successfully delivered 5 batches of EnerCube containerized energy storage systems to Sweden for use in power frequency regulation, all of which are running well and well recognized by the Swedish market.The product can support a 1C charge/discharge rate, the optional liquid cooling solutions, and blade battery configurations, providing efficient energy storage services for C&I scenarios.  Sweden is a country known for its strong environmental awareness and has been actively promoting the development of renewable energy in recent years. It has set a target to achieve Carbon Neutrality by 2045. With the Swedish Tax Agency introducing tax incentives for private individuals providing green technology, the energy storage market in Sweden has entered a peak development. Vilion's participation in ENERGI MASSAN 2024 aims to further deepen its market presence in the Nordic region, and continuously contribute clean and sustainable energy solutions to the European and global renewable energy industry.
2024-05-17

Another 10 sets! EnerArk Continues to Gain Orders from The Netherlands

Recently, Vilion’s flagship product series 'EnerArk' has once again secured a repeat order from a Dutch client for 10 sets (5 units of EnerArk 2.0 + 5 units of EnerArk-M integrated outdoor battery energy storage cabinets). This client purchased the first sample EnerArk in the Q4 of 2023, which is currently operating smoothly. The 5 units of EnerArk 2.0 ordered again in the Q1 of 2024 from Vilion were shipped last month and are expected to arrive in the Netherlands soon, where they will be utilized in electricity spot trading. The high repeat purchase rate from the client in a short period is a testament to the extreme trust in Vilion's products and services, and it also showcases the immense potential of the C&I energy storage market in the Netherlands. Recently, the Dutch government introduced a new regulation regarding the grid, aiming to reduce grid costs in the Netherlands through the signing of Non-Firm Agreements (NFA) for grid connections and time-weighted tariffs. The implementation of this regulation is expected to increase returns on energy storage systems and accelerate the development of the storage market in the Netherlands. In early 2024, Vilion's European subsidiary, Vilion Tech B.V., commenced operations officially. Through efficient and convenient on-site demonstrations, services, and exchanges, the 'Ener' series energy storage products have been penetrating deeper into the Dutch market. In the future, with the support of policies, Vilion's C&I battery storage products and solutions are expected to better utilize local market resources, further accelerate their presence in the Dutch market, and contribute to the country's clean energy transition.
2024-05-17

Building Sustainable Competitive Advantage through“Talent + Product”Dual Drive

Since 2024, Vilion has experienced a rapid surge in its business within the European market, particularly with its EnerArk integrated outdoor battery energy storage cabinet and EnerCube containerized battery energy storage system. These two products have garnered significant attention due to their comprehensive certificates across the cells, PCS and entire system, including CE (IEC61000, IEC62619, IEC62477), UN3480, UN38.3, UK G99, VDE4105, EN50549, UL1973, UL1642, UL9540A, etc.. The extensive certificates allow them to better meet the market requirements of most European countries, achieving increased demand for these products, not only for repeat orders but also for new clients and bulk purchase orders. Vilion's "Ener" series of energy storage products are All-in-One systems comprising PCS (Power Conversion System), batteries, BMS (Battery Management System), EMS (Energy Management System), MPPT (Maximum Power Point Tracking), automatic fire fighting systems, and temperature control systems. As one of the primary components of ESS, PCS requires local grid connection certification in addition to complying with relevant international standards and obtaining certificates when deployed in on-grid operations in certain overseas countries. For instance, this includes obtaining grid connection listings such as the UK's G99 or Germany's VDE4015. Recently, in order to enable the overseas marketing engineers and to convey more comprehensive and professional product information to clients, Lily, a pre-sales engineer from the Solutions Center, conducted a detailed review and explanation for all overseas marketing center staff regarding the grid connection market access conditions and certification requirements in various countries. Additionally, she provided a detailed introduction to the PCS selection of Vilion's "Ener" series BESS, the grid connection certificates obtained for each alternative model, and the subsequent plans. Vilion places great emphasis on the comprehensive training of sales personnel. Each salesperson is trained to become a sales engineer, product expert, and industry consultant, enabling them to approach clients from a customer-centric perspective and swiftly and accurately devise professional solutions. Therefore, our training covers not only the most common communication skills and product knowledge but also specialized topics such as market analysis, handling customer complaints, and information mining. Talent is the core competitive advantage and a crucial guarantee for the sustainable development of a company. For Vilion, talent development is not just about training sales personnel but also about building a well-rounded team to realize the concept of MUTUAL GROWTH between the company and its employees. The dual drive of "TALENT + PRODUCT" not only enhances the company's competitiveness in the market but also creates greater value for customers, leading to a win-win situation.
2024-05-17

The Explosive Growth of Guangdong's C&I Energy Storage Market: Sustained Project Profitability

With the widening gap between peak and valley electricity prices across various provinces in China, coupled with the continuous decline in raw material costs for lithium batteries, the expansion of the Two-part Tariff, and the maturation of Virtual Power Plants leading to increased profits, the economics of C&I energy storage has become increasingly apparent. According to relevant data, the installed capacity of C&I energy storage on the user side is expected to reach 10 GWh in 2024. The main profit models for C&I energy storage include arbitraging from the TOU tariff, peak-valley energy shifting, demand management, demand side response, electricity spot market trading, and grid ancillary services. Common business models include the ‘owner investment’, ‘pure leasing’ , ‘contract energy management’, and the ‘contract energy management + financial leasing’ model. From January to April 2024, there were 360 registered C&I energy storage projects in Guangdong Province, with a total capacity of 359.63MW/726.40MWh. The total investment amounted to 1.657 billion yuan, with a total of 177 companies participating in the investment and operation of these 360 projects. Among them, 167 companies are locally registered in Guangdong. (Source: Energy and Power Speak) Since its establishment in 2019 in Shenzhen, Guangdong Province, China, Vilion has been focusing on the C&I energy storage sector. Leveraging the core technical team with over 16 years of experience in the energy storage industry, it has launched a series of products such as the EnerCube containerized battery energy storage system, EnerArk integrated outdoor battery energy storage cabinet, EnerGeo integrated outdoor battery energy storage cabinet, ViStarter edge energy management system (EMS) and ViViewer intelligent O&M cloud platform, and the others. After multiple updates and technological optimizations, we have formed a comprehensive set of 'soft + hard' integrated solutions covering multiple power ratings, capacities, and application scenarios. Vilion has also successfully delivered energy storage projects in nearly 40 countries and regions including the United Kingdom, Germany, Japan, the Netherlands, France, and Sweden. As a key area for business expansion, Vilion has deployed multiple energy storage projects within Guangdong Province. Among them, two Contract Energy Management projects with arbitraging from the TOU tariff were established in two industrial parks in Dongguan city. Leveraging Guangdong Province's significant peak-valley price difference(consistently >0.8 yuan/kWh in the long term), the profits have been steadily increasing.   Vilion Contract Energy Management Project 1 Delivery Date:Nov, 2023 Configuration:A 100kW/215kWh EnerArk2.0 integrated outdoor battery energy storage cabinet. Profit Analysis:The total income of the energy storage system within 6 months is 35,000 yuan.   Vilion Contract Energy Management Project 2 Delivery Date:Nov, 2023 Configuration:2 sets of 100kW/215kWh EnerArk2.0 integrated outdoor battery energy storage cabinets, totaling 200kW/500kWh. Profit Analysis:The total income of the energy storage system within 6 months is  73,000 yuan.
2024-05-13

Training and Q&A Session Simultaneously Serving Employee Development, Customer Demands, and Product R&D

Currently, the global energy storage market is experiencing robust growth. It is projected that by 2024, the global energy storage capacity will reach 71GW/167 GWh, with a year-on-year increase of 36%/43% (data source: TrendForce). On January 25, 2024, the National Energy Administration of China announced at a press conference that as of the end of 2023, the total installed capacity of new energy storage projects nationwide had reached 31.39 million kW/66.87 million kWh, with an average energy storage duration of 2.1 hours. In 2023, the newly installed capacity was approximately 22.6 million kilowatts/48.7 million kilowatt-hours, representing a growth of over 260% compared to the end of 2022. The market outlook is highly optimistic, and Vilion is experiencing rapid growth in both domestic and international business as well as customer numbers. Vilion has always prioritized customer-centric principles, placing significant emphasis on the accuracy, scientificity and value of information conveyed to customers through sales channels. As a result, organized by the Solutions Center, Vilion regularly conducts training sessions and technical Q&A sessions for sales personnel on both existing and new products. This initiative aims to equip them with a more professional demeanor and confident attitude, enabling them to deliver high-quality services to customers. On May 9, 2024, at the production base in Shenzhen, Andy, the Product and Solution Director at Vilion, and Ian, the Deputy Director of the Platform and Component Technology R&D, led the pre-sales engineering team to introduce to colleagues from overseas and domestic marketing centers the company's latest EnerArk 2.1 integrated outdoor battery energy storage cabinet. Building upon EnerArk 2.0, EnerArk 2.1 has undergone further performance and technical optimizations, positioning the EnerArk series of energy storage products for greater competitiveness in the global energy storage market. Let us eagerly anticipate the release of the new EnerArk 2.1 in the second half of the year. On the same day, a technical Q&A session was also held, where marketing engineers from both domestic and overseas centers discussed in detail the technical issues encountered when dealing with customers. Lee, the Solutions Center Manager, primarily addressed these questions. The meeting also discussed post-sales issues encountered during project execution, with the aim of leveraging past project experiences to prevent similar issues in future deliveries. Following the meeting, the Solutions Center summarized and submitted the identified problems to the Product Development Center. This collaborative effort among the Marketing Center, Solutions Center, and Product Development Center forms a closely interconnected "Iron Triangle" centered around the customer, collectively driving product updates and enhancements to increase market competitiveness and deliver high-quality products to global customers. Since its establishment, Vilion has been focusing on the C&I battery energy storage sector. Its core technical team has 16 years+ of experience in the research, development, and application of energy storage products and technologies. It has successfully developed and delivered over 2GWh of energy storage projects both domestically and internationally, with a 0 accident, covering all the energy storage applications. In the future, Vilion will continue to strive to become the most trusted expert in C&I battery energy storage, working together with partners in the new energy industry to promote the global energy transformation and sustainable development.
2024-05-13

New Application: EnerArk-M Will Serve a Care Home in The UK

On May 8, 2024, Vilion's EnerArk-M integrated outdoor battery energy storage cabinets successfully completed a series of pre-departure inspections and preparations before embarking on their journey to the UK and are set to deliver an integrated solar + BESS solution to a care home. This marks the first time Vilion's battery energy storage products will be utilized in a care home project, opening up a new application scenario for C&I energy storage. Care homes prioritize providing a comfortable and safe living environment, and Vilion's EnerArk-M has undergone multiple optimizations in terms of operational safety and noise emissions, fully meeting testing standards and project requirements. These EnerArk-M energy storage cabinets will be connected to the local solar system at the care home in the UK, creating an integrated solar +BESS application. This green power solution will provide the care home with self-sufficient clean energy, significantly enhancing the reliability and stability of power supply, reducing reliance on the traditional grid, and ensuring the care home's more environmentally friendly and efficient energy usage.
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